PlainWater

Public Water Systems

143,076 active public water systems, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.

Population Violations Health Violations Name
System Name Location Population Violations PFAS
Stanford University Stanford, CA 35,853 8 Clean
Crescenta Valley Cwd La Crescenta, CA 35,841 9 Detected
Frusi Water Treatment Plant Fort Riley, KS 35,784 58 Detected
Georgetown Municipal Water Service Georgetown, KY 35,714 114 Detected
North Lauderdale, City Of North Lauderdale, FL 35,709 73 Detected
US Army South Fort Cavazos Fort Hood, TX 35,669 24 Detected
Kennebunk, Kennebunkport & Wells WD Kennebunk, ME 35,663 33 Clean
Richmond Utilities Richmond, KY 35,640 171 Clean
Yauco Yauco, PR 35,618 300 Detected
North Shore Water Commission Milwaukee, WI 35,598 36 Clean
North Park Pwd Machesney Park, IL 35,580 33 Detected
Syracuse City Water System Syracuse, UT 35,561 118 Detected
Slidell Water Supply Slidell, LA 35,547 98 Clean
Cal Am - Antelope Sacramento, CA 35,534 1 Clean
Indiana American Water - West Lafayette Greenwood, IN 35,533 3 Clean
Aqua PA Uwchlan Bryn Mawr, PA 35,518 237 Detected
Springville City Springville, UT 35,516 369 Clean
Ventura Cwwd No. 1 - Moorpark Moorpark, CA 35,514 0 Clean
Lakeside WD Lakeside, CA 35,500 14 Detected
Cullman, City Of Cullman, AL 35,496 7 Clean
Springs Hill Sud Seguin, TX 35,472 323 Detected
Stow Public Water System Stow, OH 35,437 18 Clean
North Fayette Cnty Muni Auth Dunbar, PA 35,409 184 Clean
Ross County Water Co Inc Chillicothe, OH 35,345 28 Detected
California Water Service - San Carlos San Jose, CA 35,344 8 Clean
Avion WC - Greater Avion Bend, OR 35,332 179 Clean
Watertown Water Dept. (Mwra) Watertown, MA 35,329 19 Clean
Alamogordo Domestic Water System La Luz, NM 35,301 40 Detected
Westerly Water Department Westerly, RI 35,298 344 Detected
Nicholasville Water Department Nicholasville, KY 35,266 490 Clean
Section (Wwb of the Town Of) Rainsville, AL 35,259 43 Detected
City of Westminster Westminster, MD 35,256 70 Detected
Auburndale, City Of Auburndale, FL 35,239 40 Clean
Alcoa Water System Alcoa, TN 35,238 27 Clean
Fallbrook PUD Fallbrook, CA 35,237 1 Clean
Belleville Water Dept Belleville, NJ 35,129 486 Clean
Garden City, City Of Garden City, KS 35,126 47 Clean
City of Lathrop Lathrop, CA 35,080 124 Detected
Water And Power Authority - STX Christiansted, VI 35,000 14 Clean
Riverhead Water District Riverhead, NY 35,000 156 Detected
Clifton Park Water Authority Clifton Park, NY 35,000 183 Detected
Long Beach City Long Beach, NY 35,000 21 Clean
University of New Mexico Albuquerque, NM 35,000 181 Clean
Edison Water Co Edison, NJ 35,000 50 Detected
Cape May Water & Sewer U Cape May, NJ 35,000 82 Clean
Willingboro Mua Willingbor0, NJ 35,000 61 Detected
Papillion, City Of Papillion, NE 35,000 26 Clean
City of Annapolis Annapolis, MD 35,000 11 Clean
Brewster Water Department Brewster, MA 35,000 29 Clean
Hyannis Water System, Town of Barnstable Hyannis, MA 35,000 87 Detected
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